/*global jQuery */
/*jshint multistr:true browser:true */
/*!
 * FitVids 1.0.3
 *
 * Copyright 2013, Chris Coyier - http://css-tricks.com + Dave Rupert - http://daverupert.com
 * Credit to Thierry Koblentz - http://www.alistapart.com/articles/creating-intrinsic-ratios-for-video/
 * Released under the WTFPL license - http://sam.zoy.org/wtfpl/
 *
 * Date: Thu Sept 01 18:00:00 2011 -0500
 */

(function( $ ){
 
 "use strict";
 
 $.fn.fitVids = function( options ) {
 var settings = {
 customSelector: null
 };
 
 if(!document.getElementById('fit-vids-style')) {
 
 var div = document.createElement('div'),
 ref = document.getElementsByTagName('base')[0] || document.getElementsByTagName('script')[0],
 cssStyles = '&shy;<style>.fluid-width-video-wrapper{width:100%;position:relative;padding:0;}.fluid-width-video-wrapper iframe,.fluid-width-video-wrapper object,.fluid-width-video-wrapper embed {position:absolute;top:0;left:0;width:100%;height:100%;}</style>';
 
 div.className = 'fit-vids-style';
 div.id = 'fit-vids-style';
 div.style.display = 'none';
 div.innerHTML = cssStyles;
 
 ref.parentNode.insertBefore(div,ref);
 
 }
 
 if ( options ) {
 $.extend( settings, options );
 }
 
 return this.each(function(){
                  var selectors = [
                                   "iframe[src*='player.vimeo.com']",
                                   "iframe[src*='youtube.com']",
                                   "iframe[src*='youtube-nocookie.com']",
                                   "iframe[src*='kickstarter.com'][src*='video.html']",
                                   "object",
                                   "embed"
                                   ];
                  
                  if (settings.customSelector) {
                  selectors.push(settings.customSelector);
                  }
                  
                  var $allVideos = $(this).find(selectors.join(','));
                  $allVideos = $allVideos.not("object object"); // SwfObj conflict patch
                  
                  $allVideos.each(function(){
                                  var $this = $(this);
                                  if (this.tagName.toLowerCase() === 'embed' && $this.parent('object').length || $this.parent('.fluid-width-video-wrapper').length) { return; }
                                  var height = ( this.tagName.toLowerCase() === 'object' || ($this.attr('height') && !isNaN(parseInt($this.attr('height'), 10))) ) ? parseInt($this.attr('height'), 10) : $this.height(),
                                  width = !isNaN(parseInt($this.attr('width'), 10)) ? parseInt($this.attr('width'), 10) : $this.width(),
                                  aspectRatio = height / width;
                                  if(!$this.attr('id')){
                                  var videoID = 'fitvid' + Math.floor(Math.random()*999999);
                                  $this.attr('id', videoID);
                                  }
                                  $this.wrap('<div class="fluid-width-video-wrapper"></div>').parent('.fluid-width-video-wrapper').css('padding-top', (aspectRatio * 100)+"%");
                                  $this.removeAttr('height').removeAttr('width');
                                  });
                  });
 };
 // Works with either jQuery or Zepto
 })( window.jQuery || window.Zepto );